[Bug tree-optimization/92860] [8/9/10/11 regression] Global flags affected by -O settings are clobbered by optimize attribute

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92860

--- Comment #19 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #18)
> @egallager: Why did you add 'deferred' keyword? I sent a patch for it to GCC
> patches mailing list.

because:

(In reply to Richard Biener from comment #16)
> Re-target to GCC 10, definitely not material for backporting unless we
> discover critical issues (that should be individually backported). 
> Eventually fully fixed only for GCC 11.